Nokia N Series, Руководство пользователя

Страница: 118 / 301

Settings
117
You are notified if the identity of the server is not authentic
or if you do not have the correct security certificate in
your device.
To check certificate details, scroll to a certificate, and select
Options > Certificate details . When you open certificate
details, the validity of the certificate is checked, and one of
the following notes may be displayed:
• Certificate not trusted —You have not set any application
to use the certificate. See “Change the trust settings,”
p. 117.
• Expired certificate —The period of validity has ended
for the selected certificate.
• Certificate not valid yet —The period of validity has
not yet begun for the selected certificate.
• Certificate corrupted —The certificate cannot be used.
Contact the certificate issuer.
Change the trust settings
Before changing any certificate settings, you must make
sure that you really trust the owner of the certificate and
that the certificate really belongs to the listed owner.
Scroll to an authority certificate, and select Options > Trust
settings . Depending on the certificate, a list of the applications
that can use the selected certificate is shown. For example:
• Symbian installation : Yes —The certificate is able
to certify the origin of a new Symbian operating
system application.
• Internet : Yes —The certificate is able to certify servers.
• App. installation : Yes —The certificate is able to certify
the origin of a new Java TM application.
Select Options > Edit trust setting to change the value.
Security module
To view or edit a security module (if available) in Security
module , scroll to it, and press the scroll key. To view detailed
information about a security module, scroll to it, and select
Options > Security details .
Factory settings
To reset some of the settings to their original values, select
Factory settings . To do this, you need the lock code. See
“Phone and SIM card,” p. 115. After resetting, the device
may take a longer time to power on. Documents and files
are unaffected.
Positioning
Positioning methods —Select the positioning methods used
to detect the location of your device: the internal GPS
receiver of your device,
Bluetooth GPS to use a compatible
external GPS receiver with Bluetooth connectivity, and
Network based to use information from the cellular network
(network service). The location information can be used by
compatible applications in your device.